146949820 has 12 divisors (see below), whose sum is σ = 308594664. Its totient is φ = 58779920.

The previous prime is 146949811. The next prime is 146949821. The reversal of 146949820 is 28949641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146949821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673726 + ... + 3673765.

It is an arithmetic number, because the mean of its divisors is an integer number (25716222).

Almost surely, 2^146949820 is an apocalyptic number.

146949820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146949820 is an abundant number, since it is smaller than the sum of its proper divisors (161644844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146949820 is a wasteful number, since it uses less digits than its factorization.

146949820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347500 (or 7347498 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 146949820 is about 12122.2860880281. The cubic root of 146949820 is about 527.7031494439.

The spelling of 146949820 in words is "one hundred forty-six million, nine hundred forty-nine thousand, eight hundred twenty".